aike/emis-app
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

uu

Browse Source
This commit is contained in:
aihe 2024-05-11 10:26:02 +08:00
parent 2b533e7614
commit 4fde89e5af
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
components/tpx-bluetooth-print/tpx-bluetooth-print.vue
View File

@ -100,7 +100,7 @@ export default {
resolve() resolve()
}) })
}, },
getImageInfo(params = {}) { getImageZip(params = {}) {
return new Promise((resolve, reject)=> { return new Promise((resolve, reject)=> {
uni.canvasGetImageData({ uni.canvasGetImageData({
x: 0, x: 0,
@ -113,8 +113,8 @@ export default {
console.log("zip====", data); console.log("zip====", data);
resolve(data); resolve(data);
} else { } else {
showToast('获取图片信息异常:getImageInfo') showToast('获取图片信息异常:getImageZip')
reject('获取图片信息异常:getImageInfo') reject('获取图片信息异常:getImageZip')
} }
} }
}) })
@ -130,10 +130,12 @@ export default {
uni.getImageInfo({ uni.getImageInfo({
src: filePath, src: filePath,
success(res) { success(res) {
// 按原图比例算出 新的画图高度
that.canvas_height = parseInt(that.canvas_width * (res.height / res.width))
cxt.drawImage(filePath, 0, 0, that.canvas_width, that.canvas_height); cxt.drawImage(filePath, 0, 0, that.canvas_width, that.canvas_height);
cxt.draw(true, ()=> { cxt.draw(true, ()=> {
setTimeout( async ()=> { setTimeout( async ()=> {
let data = await that.getImageInfo({ canvasId: that.canvasId, width: that.canvas_width, height: that.canvas_height, }) let data = await that.getImageZip({ canvasId: that.canvasId, width: that.canvas_width, height: that.canvas_height, })
resolve(data) resolve(data)
}, 1000) }, 1000)
}); });